Hinge



Patented May 14, 1940 UNITED STATES PATENT OFFICE s claims.

My invention relates to a new and useful improvement in a hinge adapted for mounting a swingable closure on a stationary support and so arranged and constructed that none of the parts of the hinge will be exposed t0 View when the closure is in closing position. 'Ihe invention lends .itself particularly for mounting doors on vehicle bodies so that the exterior surface of the vehicle body will be free from outwardprojections or obstructions. v

It is an object of this invention to provide hinge of this class which will be simple in structure, economical of manufacture, durable, compact, easily and quickly assembled and highly e'icient in use.

Another object of the invention is the provision of a hinge of this type possessed of a minimum number of parts. k

Another object of the invention is the provision of a hinge consisting of a pair of butts hingedly connected together, one of said butts being conneeted to the other by a pair of links each of which pivots at one end., the free end` of said links swinging on intersecting arcs one of said arcs being greater than the other, the link swinging on the greater arc being positioned outwardly toward the open end of the butt in which mounted.

Other objects of the invention will appear here-4 inafter.

' The invention consists in the combination and arrangement of parts hereinafter described and claimed.

'Ihe invention will be best understood by a reference to the accompanying drawing which forms a part of this specification, and in which: 1

Fig. 1 is a central, horizontal, sectional view of the invention showing the closure in closed position.

Fig. 2 is a central, horizontal, sectional view of the invention showing the closure in its initial position of opening.

Fig. 3 is a central, horizontal, sectional view showing the closure in fully opened position.

Fig. 4 is a sectional View taken on line 4-4 of Fig. 1.

Fig. 5 is a sectional View taken on line 5-5 of Fig. 1.

Fig. 6 is a sectional'view taken on line 6-6 of Fig. 1.

In the drawing I have illustrated the invention adapted for mounting a closure 9 swingably on a stationary supporting body I0. One of vthe hinge butts comprises a U-shaped structure having the oppositely disposed legs II and I2 connected by the bight I3. This butt is mounted in the reception of nuts I6 andl Il which serveto v clamp opposite sides of a plate I8 on theswingy able closure 9, the member I5, at its threaded end,

projecting through the plate I8. This rod I5 is provided with the angularly turned portion I Il which extends angularly to the longitudinal axis ofthe main body of the rod I5 and which terminates in an angularly` turned portion 20 which extends parallel to the axis of the main body I5, these portions I9 and 20 being milled to provide ilat opposite sides. l

Pivoted, by means of the pin 2|, to the legs II and I2 and lying between these legs are short links 22 and 23, the pin 2'I passing through'one end of these links. The opposite end of the links 22 and 23 are pivoted'by means of the pin 24 which passes throughv the'opposite end'of said links and through the angularly turned portion 20. A pin 29 serves to pivotally mount one endroi the links 2l and 28 on the U -Shaped hinge butt,.these'links being formed arcuate as sho-wn in Fig. 1 and Fig. 2. The opposite ends of these links are pivotally connected by means of the pin 30 to the hinge butt I5 at the juncture between the parts I9 and 20.

The construction is such that when the hinge is mounted'in the manner indicated and as the movement of the closure 9 from closed position shown in Fig. 1 outwardly as illustrated in Fig. 2 and Fig. 3 is eifected, the links 2'I and 28 and the links 22 andl 23 will each'swing outwardly on their pivots 29 and 2 I, respectively. At the same time, the hinge butt I5 will rock on the pivot30. This movement will continue until a point is reached at which the pivot 24 is about to align itself with the pivots 30 and 2| whereupon dur` ing a further outward swinging the links 21 and 28 will remain substantially stationary and the hinge butt I5 will rock on the pivot 30 until the pivots 2I, 24 and 30 are invalignment. Upon a further opening movement, the pivot 24 will swing past center but in its swinging movement past center, the links 21 and 28 will swing slightly in the reverse direction and at this time,

the angularly turned portion` I9` will engage the spring are turned outwardly as at 36 to engage the concave edges 26 of the links 2l and 28 when the closure swings to closed position so as to oier resistance t0 this swinging movement andy prevent a slamming of the door when moved to closed position. It will benoted that the spring is placed under tension as the swingable closure approaches fully open position. Thus the spring prevents a slamming of the door at either end of its swinging movement.

T'ne swinging of the links with the arcs deiined by the pivots 2li and 3i] struck on different sized radii and arranged in the manner illustrated, makes it possible to provide a concealed hinge in which a secure and close closing of the door may be effected and an easy and silent opening of the same accomplished. By forming the links 2'! and 28 arcuate and facing them toward the part 24, a clearance is afforded for the ends of the links 22 and 23 as they swing, as shown in Fig. 2, across the space deiined by the links 21 and 28.

The terminal angularly turned portion 20 may be considered an offset of the angularly turned portion i9 `or a laterally projecting portion ,projecting laterally therefrom.

While I have illustrated and described the preferred form of construction, I do not wish to limit myself to the precise details oi structure shown, but desire to avail myself of such variations and mcdications as may come Within the scope ofthe appended claims.

What I claim as new is:

1. A hinge of the class described, comprising: a hinge butt having a pair of spaced apa-rt parts; a cooperating hinge butt comprising a main body having a laterally angularly turned portion; a lateral offset projecting outwardly from adjacent the end ,of saidangularly turned portion and extending in axial parallel relation tothe longitudinal axis of said body; a pair of links pivotally mounted at one of their ends betweeir said spaced apart parts and at their opposite ends to said lateral offset; a pair of links pivotally mounted at one of their ends between said spaced apart parts and at their opposite ends to said angularly turned portion at substantially 4the juncture thereof with said lateral offset, Said last-named links being of greater length than said rst-named links, the pivots of said links being so positioned upon the swinging of said butts to closed relation, that a line .passed through the pivots of said last-named links extends at right angles to a line passed through one of said pivots and one of the pivots of the other links.

2. A hinge of the class described, comprising.:

a butt having a pair of spaced apart parts; a cooperating butt having an angularly turned portion; a lateral oiset on said angularly turned portion; a pair of links pivotally mounted at one of their ends between said spaced apart parts and at their opposite ends to said lateral oiset; a pair oflinks pivotally mounted at one of their ends to said spaced apart parts and at their opposite ends to said angularly turned portion adjacent the juncture of said lateral oset there- With,` said last-named links being of greater length than said rst-named links and formed arcuate with the concave edge faced toward said rst-narned links, the location of said pivots being such that, upon a swinging of said butts to closing relative position, aline passed through the pivots of said longer links extends at right angles to a line passedthrough one of said last named pivots and one of the pivots of said shorter links, the swinging of said butts to open position moving said links relatively foreiecting the alignment of the pivots of said shorter links with one of the pivots of said longer links immediately prior to the movement of said butts to fully open position, one of the pivotsof said shorter links swinging beyondsaid alignment upon the completion of the swinging to open position.

3. A hinge of the class described, comprising: a butt having a pair of spaced apart parts; a cooperating butt comprising a, main body having anangularly turned portion; a lateral offset on said angularly turned portion extending in axial parallel relation to the longitudinal axis of said body; a pair of links pivotally mounted at one of their ends between said spaced apart parts and at their opposite ends to said lateral offset portion, said opposite ends of said links embracing said offset portion; a pair of links pivotally mounted at one of their ends to said spaced apart parts andembracing, at their opposite ends, said angularly turned portion, adjacent the juncture of said lateral offsety therewith and pivoted thereto, said last named links being of greater length than rst named links; a pin projected through said first named links for pivotally mounting the same on said spaced apart parts; a coil spring embracing said pin; a projection extending centrally outwardly from said spring and engaging in an opening formed in said first-named butt for preventing rotation of said spring on said pin; and outwardly projecting angularly turned portions on the ends of said spring for engaging said second named links and resisting swinging movement of said hinge butts upon the approach of the same to fully open position and fully closed position.

. JOHN LUDWIG. 

